Sentences with phrase «flows under the ice»

Wili, which do you think might have the greater overall melting effect (or the same) when push comes to shove — The height drop or the sea water flows under the ice sheet?
Yet, what is driving such strong flows under the ice?

Not exact matches

Right now it is flowing under a couple of feet of ice.
The deep grooves under the massive ice sheet could facilitate flow into the ocean, which suggests sea level rise estimates for this century need to be revised upwards
«The new data set will allow us to check if our ocean models can correctly represent changes in the flow of warm water under ice shelves,» he added.
Gravity and ice pressure force the melt water to flow, and it collects in the hollows and valleys of the continent under the ice.
The pair then went over alternative explanations for the distribution pattern, such as erosion by wind or burial under material flowing from ice volcanoes.
From there, he hypothesized, water under enormous pressure from the ice above would flow in strange ways — horizontally or even uphill, seemingly defying gravity.
She devoured papers on glaciology, memorized equations that dictated how deeply buried water and ice flow under pressure, and peppered Blankenship's team with questions about how ice works on our own planet.
«The meltwater feedback cycle under the ice shelf will only slow down once the shelf has collapsed, or no more glacial ice flows in from inland to take its place.
One 2004 NASA - led study found that most of the glaciers they were studying «flow into floating ice shelves over bedrock up to hundreds of meters deeper than previous estimates, providing exit routes for ice from further inland if ice - sheet collapse is under way.»
«We plan to chuck a load of biodegradable plastic, or maybe ice, which has about the same buoyancy as plastic, in front of it and see how much is caught and how much flows under,» she says.
«Arctic current flowed under deep freeze of last ice age, study says.»
«The geology and topography under the ice controls how the ice flows,» said Robin Bell, a geophysicist and professor at Columbia University's Lamont - Doherty Earth Observatory, who was not associated with the research.
Once the ice melted, the crust began to slowly rebound and the mantle material to flow back under the now - iceless area.
I suppose that as the under side of the glacier melts, the resulting fresh water mixes with the adjacent salt water, making it lighter and causing it to flow upwards along the under side of the ice.
We suggested that, given the documented flow of water beneath the ice sheet, perhaps sub-glacial rivers carried in the microbes, and Tranter responded, «People would have laughed at you a decade ago, but there is a river system under the ice sheet.
And the ice began to break, and fall, until the window itself stood clear, and the snow upon the ground had begun to sink and slurry and flow under the bright goldenness of a perfect awakening... her skin, her skin, from alabaster it reached to peach, rose in her cheeks, cherries on her lips.
Ultimately, the ice collapses under its own weight, resulting in a high speed horizontal flow of an ice / water slurry.
Alastair notes that increased water vapour will carry more energy to the surface of the glaciers, likewise these increased water flows over, through and under the glaciers is also transferring vast amounts of energy into the ice.
When sufficient layers form to about 50 m depth the ice becomes plastic under pressure and flows.
The water from the melting ice mixes with the salt water and flows upward under the sloping ice.
This out - flow of water from under the ice pulls in more deep water to melt more ice from the bottom of the ice shelf.
Heat flows across differences in temperatures, yet the winter water temperature under the ice is fixed at -2 C. Thus elevated winter air temperatures should actually cause a reduction in heat flow out of the ocean.
She suggests that future shelf stability studies should consider the role of the ocean's influence, like the effects of warm water pulses flowing under the Cosgrove Ice Shelf.
From one day to another the green landscape disappeared under snow and ice, which flowed down to the valley.
If you pump water to this exceedingly remote, freezing place, said Levermann, then in 1,000 years, only about 20 percent of its equivalent will return to the ocean, through the gradual spreading and flow of Antarctic ice out toward the sea under its own massive weight.
Of course as the freshened water flows up and out on the surface of the ocean, it pulls sea water in under the ice.
This ice may extend much further north and is susceptible to rapid retreat and melt, in particular under the influence of fall storms that further fragment the ice cover and enhance ocean to ice heat flow.
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Build an ice cap on that; you get water and silt being extruded out of the basins, even flowing «uphill» under that pressure; look at the radar maps, the ice may have pushed a lot of silt out to its edges over time, you can see the pattern of river drainage channels in the radar imagery.
This is because there is not a topographic low under the ice sheet that funnels the flow.
«Deep channels under the ice allow warm water to flow all the way to the grounding line, where the ice shelf meets the bedrock,» said Michael Studinger, a researcher with the mission.
Glacier - A mass of land ice that flows downhill under gravity (through internal deformation and / or sliding at the base) and is constrained by internal stress and friction at the base and sides.
From one day to another the green landscape disappeared under snow and ice, which flowed down into the valley.
During the last ice age, a massive North American ice sheet placed so much weight on the surface of the planet that the mantle rock began to flow slowly out and away from underneath the ice, causing a bulge under the Chesapeake Bay region.
So there is liquid water under the ice sheet and this may be increasing the flow rate of the ice.
Christian Schoof, from the University of British Columbia and the study's author, explains that steady flows of meltwater can be accommodated by existing channels under the Ice Sheet, but rapid flows can not:
The court explained that clearing snow and ice from sidewalks and fixing potholes is the legal responsibility of the municipality, not the homeowner, subject to two exceptions: 1) if the homeowner is deemed to be an occupier of the sidewalk under the Act by assuming control of it, such as occurred in Bogoroch and Moody; or 2) if the homeowner allows something from his or her property, such as water, to flow off it and onto the sidewalk causing injury to persons.
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